Average weather in December in Sion (Canton of Valais), Switzerland
The average minimum temperature (usually the minimum temperature is noted during the night) in Sion in December is -2.5°C (27.5°F).
The amount of rain/snow in December is normal with an average of 69mm (2.7in).
This makes it the wettest month of the year.
It rains on average a total of 8 days.
Most people don't tend to visit Sion during this period since it is known as a chilly month.
The average maximum daytime temperature lies around 5.2°C (41.36°F).
You will hardly see any sun with 70 hours of sunshine during the whole month.
So what to wear in December? Visitors traveling to Sion should plan on bringing a totally waterproof rain jacket since it will often be raining. You can also expect some days or nights with snow. So bring gloves or mittens and wear a warm hat.
No idea where to travel to this year? We now have a tool which suggests which destination suits your ideal climate conditions. Find out where to go with our weather planner.
For other monthly average weather and what to do in December look at the numbers below.
Monthly Averages in December
Show in Fahrenheit
Where to stay in Sion
What is the best place to go in December in Switzerland?Find out more about the weather in December in Switzerland and which places have the best weather conditions in this month.
What To Do
We rated the following activities from 1 (least suitable) to 10 (best) to do in December.
Weather Forecasts for Sion (Canton of Valais)
Patchy rain possible
Interested in more climate information?
Weather and Climate provides you with all the information you need about the climate in Sion.
Our site offers climate and forecast data for almost all countries in the world. Are you going to Switzerland? On this website you can find historical weather averages for many cities in Switzerland. Not sure yet where to go? We now have a tool which suggests which destination suits your ideal climate conditions. Find out where to go with our weather planner.